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Finding the Fourth Proportional to 1,049.92, 1,575.12 and 563.44

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Solution

The fourth proportional to 1,049.92, 1,575.12 and 563.44 is: 845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.92 : 1,575.12 = 563.44 : x
  2. Step 2: Convert to fraction form
    1,049.92/1,575.12 = 563.44/x
  3. Step 3: Cross multiply
    1,049.92x = 1,575.12 × 563.44
  4. Step 4: Simplify right side
    1,049.92x = 887,485.61
  5. Step 5: Solve for x
    x = 887,485.61/1,049.92
  6. Step 6: Final answer
    x = 845.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.